public class A {

	public A(COmmon xyz) {
		b = xyz;
	}
	
	private COmmon b;
	

	public void setB(COmmon b) {
		this.b = b;
	}

	public void testname() {

		b.testname();
	}

	public void testname2() {

		b.testname2();
	}
}
